CheckBoxInHeader_csharp.RadForm1.RadForm1 C# (CSharp) Method

        public RadForm1()
        {
            InitializeComponent();
            AddCheckColumn();

            this.radGridView1.MasterTemplate.AllowAddNewRow = false;
            this.radGridView1.EnableFiltering = true;

            this.radGridView1.ViewCellFormatting += radGridView1_ViewCellFormatting;
        }
        private void radGridView1_ViewCellFormatting(object sender, Telerik.WinControls.UI.CellFormattingEventArgs e)